A 31-year-old Indian-origin man allegedly killed his father with an assault rifle in Philadelphia and was later arrested in Massachusetts following an emergency warning issued by the Harvard University .

The accused, Sohan Panjrolia, who was diagnosed with schizophrenia, gunned down his 60-year-old father Mahendra Panjrolia in their family home earlier in the month, The Philadelphia Inquirer said in a report.

Sohan son fled with the weapon in a car that was later found nearby, police said.Investigators had previously said Sohan may be using narcotics and should be considered “armed and dangerous”.

During the investigation, officials searched Harvard University as Sohan had got a bachelor of liberal arts degree from the university’s Extension School in 2013.